About This Product Elevate your routine with a bottle that's ready for anything. Whether youre preparing your favorite shakes for workouts or busy days, the BlenderBottles innovative, stainless steel BlenderBall ensures flawless blending of drinks without any hassle. Key Features Innovative BlenderBall blends as you shake Convenient Patent Pending Loop makes carrying a breeze BPA-free construction Wide mouth opening for easy ingredient addition StayOpen Flip Cap remains secure - whether opened or closed Embossed ounce/milliliter measurements GripperBars provide a firm grip Available in both 28-oz and 20-oz sizes that fit in standard cup holders Superior engineering ensures reliable performance every time Generously sized drinking/pouring spout Directions Place ingredients into BlendeBottle and shake until smooth. Warning Not designed for hot liquids. Hot or warm substances (as well as carbonated beverages) may create pressure that could cause the flip top to release unexpectedly, resulting in spills. Always open the flip top with care.